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DNA
Test Description: DNA
Instructions: Answer all questions to get your test result.
1) What shape does a DNA molecule take?
A
stair case
B
double helix
C
double ladder
D
single helix
2) Adenine, Thyamine, Guanine, and Cytosine are the 4 __________ of DNA.
A
phosphate groups
B
forces
C
sugars
D
nitrogenous bases
3) Which base pairing below is INCORRECT?
A
G-C
B
C-G
C
A-G
D
A-T
4) The monomers of a DNA molecule are known as _______.
A
nucleosomes
B
amino acids
C
nucleotides
D
chromosomes
5) Long strands of tightly wound DNA are known as _________.
A
genes
B
genomes
C
nucleotides
D
chromosomes
6) Genes and chromosomes are made of _________.
A
amino acids
B
proteins
C
DNA
D
traits
7) A single gene codes for a single _________.
A
chromosome
B
protein
C
nucleotide
D
DNA strand
8) Adenine complements ____________ and Guanine compliments ___________ in a double strand of DNA.
A
Guanine, Cytosine
B
Thyamine, Cytosine
C
Thyamine, Adenine
D
Thyamine, Guanine
9) What type of bond holds the complimentary strands of DNA together?
A
ionic
B
covalent
C
really strong ones
D
hydrogen
10) The 3 parts of a nucletide are _______________.
A
sugar, phosphate group, amino acid
B
protein, sugar, nitrogen
C
sugar, phosphate group, nitrogenous base
D
nitrogen, sugar, nitrogenous base
11) What would the complimentary piece of DNA made during replication be for ATTCGC
A
TAAGCG
B
None of the options
C
TTTGGG
D
ATTCGC
12) Who is credited with describing the shape of DNA?
A
Charles Darwin and Gregor Mendel
B
James Watson, Francis Crick, and Rosalind Franklin
C
Larry S., Curly S., Moe S.
D
Jacob Burskey
13) Genes are located on _____________.
A
chromosomes
B
nucleotides
C
proteins
D
clothes racks
14) In the ladder anology of the DNA molecule, the rungs or steps of the ladder are:
A
sugars
B
phosphates
C
paired sugar and phosphate
D
paired nitrogenous bases
15) When does DNA replication occur?
A
before cell division
B
after cell division
C
after cellular respiration
D
before cellular respiration
*select an answer for all questions
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